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All Journal JURNAL SPASIAL NUCLEUS: Jurnal Sains dan Teknologi
Mariati, Heny
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Earth & Planetary Sciences Education Library & Information Science Materials Science & Nanotechnology Physics Social Sciences

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Journal : JURNAL SPASIAL

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ANALISIS OZON BERBASIS SATELIT AIRS NASA GIOVANNI SYSTEM Mariati, Heny; Suryani, Novelisa; Afandi, Roky
Jurnal Spasial Vol 6, No 2 (2019)
Publisher : Program Studi Pendidikan Geografi STKIP PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/js.v6i2.3855

Abstract

This study aims to study and analyze changes in ozone concentration and its influence with the phenomenon of forest fires in the Sumtra region and see the distribution of ozone concentrations according to latitude zones of the Sumatra region. With the observation method using AIRS satellite data and utilizing the Giovvani System web tool to calculate ozone concentrations every month from January-September. the results showed a significant decrease in stratospheric ozone concentrations in September following the increase in CO during severe forest fires. Abnormal circumstances occur where ozone concentrations decrease significantly in August and September, occurring with a concentration range of 19 to 26 DU from the highest average in May. The effect of forest and land fires is also condemned by the distribution of CO in September which increased by 119 ppbv compared to January to July CO concentrations ranged from 75 to 85 ppbv. A quite different pattern occurred in August and September where ozone concentrations decreased in zone 2 LS-2 LU which is a zone of forest fires in September.
Beach Erosion Impact In Manggopoh Palak Gadang Ulakan Village Suryani, Novelisa; Mariati, Heny; Roberto, Roberto; Fajri, Muhammad
Jurnal Spasial Vol 6, No 3 (2019)
Publisher : Program Studi Pendidikan Geografi STKIP PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/js.v6i3.3860

Abstract

Beach erosion is an unavoidable phenomenon in coastal areas. The wind, climate change, tides and  sea level rised are the triggering factors for beach erosion. Some research also shows that beach erosion influenced by the physical structure, land use changing and morphology of the beach. Ulakan Tapakis District which is geographically bordered directly with the Indian Ocean is exposed to the direct impact of beach erosion, one of the worst areas, namely Nagari Manggopoh Palak Gadang Ulakan. The annual phenomenon causes social and economic losses, also physical buildings around the coast. This study aims to examine the physical and social economic impact of beach erosion. This research was conducted by surveys and in-depth interviews with stakeholders and the data were processed by descriptive methods. The results showed that the physical impact of beach erosion, namely damaging settlement, fish auction places, towers and roads around the beach. In addition, it also causes wells shallowing and sea water intrusion. The socio-economic impact that is decreased the income of citizens up to 50% and shifting the types of livelihoods, especially in trading.
Co-Authors Afandi, Roky Febrianto, Hary Muhammad Fajri Osronita, Osronita Putri, Desi Eka Roberto, Roberto Suryani, Novelisa Tresia, Intan Mastura